Pescetarianism // (sometimes spelled pescatarianism) is the practice of using seafood as the only source of meat in a diet that is otherwise vegetarian. A survey by Ipsos Mori estimates that as of 2018, 3% of humans are pescetarian.
|A diet in which seafood is the only meat|
|Related Dietary Choices|
|Diet(Nutrition)#Diet classification table|
"Pescetarian" is a neologism formed as a portmanteau of the Italian word "pesce" ("fish") and the English word "vegetarian". The term was coined in the United States c. 1990. The English-language pronunciation of both "pescetarian" and its variant "pescatarian" is // with the same /sk/ sequence present in pescato (Italian: [peˈskaːto]), although pesce is originally pronounced [ˈpeʃʃe] with a /ʃ/ sound. “Pesco-vegetarian” is a synonymous term that is seldom used outside of scholarly literature but it has been used in American literature since at least the mid 1980s.
The first vegetarians in written western history were the Pythagoreans, a title derived from the Greek philosopher Pythagoras, creator of the Pythagorean theorem. Though Pythagoras loaned his name to the meatless diet, some suspect he may have eaten fish as well, which would have made him a not a vegetarian but a pescatarian by today's standards.
Marcion of Sinope and his followers ate fish but no fowl or red meat. Fish was seen by the Marcionites as a holier kind of food. They consumed bread, fish, honey, milk, and vegetables.
The "Hearers" of the ecclesiastical hierarchy of Manichæism lived on a diet of fish, grain, and vegetables. Consumption of land animals was forbidden, based on the Manichaean belief that "fish, being born in and of the waters, and without any sexual connexion on the part of other fishes, are free from the taint which pollutes all animals".
The Christian dualist Cathars sect did not eat cheese, eggs, meat, or milk because these are byproducts of sexual intercourse. They believed that animals were carriers of reincarnated souls, and forbade the killing of all animal life apart from fish, which they believed were produced by spontaneous generation.
The Rule of Saint Benedict insisted upon total abstinence of meat from four-footed animals, except in cases of the sick. Benedictine monks thus followed a diet based on vegetables, eggs, milk, butter, cheese, and fish. Paul the Deacon specified that cheese, eggs, and fish were part of a monk's ordinary diet. Benedictine monk Walafrid Strabo commented, "Some salt, bread, leeks, fish and wine; that is our menu."
The Carthusians followed a strict diet that consisted of fish, cheese, eggs, and vegetables, with only bread and water on Fridays.
In the 13th century, Cistercian monks consumed fish and eggs. Ponds were created for fish farming. From the early 14th century, Benedictine and Cistercian monks no longer abstained from consuming meat of four-footed animals. In 1336, Pope Benedict XII permitted monks to eat meat four days a week outside of the fast season if it was not served in the refectory.
Pescetarians, alongside vegans and vegetarians, were described as people practicing similar dietary principles as those of the Vegetarian Society in 1884. Francis William Newman, who was President of the Vegetarian Society from 1873 to 1883, made an associate membership possible for people who were not completely vegetarian like pescetarians.
In 2018, Ipsos MORI reported 73% of people worldwide followed a conventional pattern diet where both meat and non-animal products were regularly consumed, with 14% considered as flexitarians, 5% vegetarians, 3% vegans, and 3% pescetarians. These are similar to the results collected by GlobalData just a year earlier; where 23% of the sample had below average meat consumption, 5% had vegetarian diets, 2% had vegan diets and 3% had pescetarian diets.
A 2018 poll of 2,000 United Kingdom adults found that 12% of adults adhered to a meat-free diet; with 2% vegan, 6–7% ovo-lacto-vegetarian, and 4% pescetarian. In Great Britain as of January 2019, women between 18 and 24 years of age were the most likely demographic group to follow a pescetarian diet. In general, men were less interested in pescetarianism, and men 35 years and above were the least likely to adhere to a pescetarian diet pattern.
No national surveys specifically citing pescetarianism were conducted in the 2000s. However, analysis of small national surveys sponsored by the Vegetarian Resource Group suggest that plausibly up to 2% of adults in the United States were effectively pescetarian in 2000 and up to 4% were pescetarian in 2003. The VRG polls found that not eating meat was positively associated with living in the west, living in the east, living in large cities, being a woman, and being a young adult. In 2020 YouGov published the results of 2019 research surveying 1,491 Americans. The results showed 9.75% of respondents followed some type of “meatless” diet; 2.26% reported being vegan, 4.91% reported being vegetarian and 2.58% reported being pescetarian. Further analyzing revealed that in this sample being a pescetarian was positively associated with female sex, leftwing political support, diet longevity and higher education.
Trends in pescetarianism have not been thoroughly studied in Canada; but in recent years there has been increased interest in its prevalence. A 2019 survey found that prevalences of veganism, vegetarianism and pescetarianism were 2%, 5% and 3% respectively. In January 2020 a briefly conducted poll suggested up to 12.2% of adults may follow meatless diets; 4.6% self-identified as vegan, 3.2% as vegetarian and 4.4% as pescetarian. Pollster investigation did reveal limitations in the research. The data collection methods might of skewed the meatless groups higher due to; resolutioners impacting results, probable underrepresentation of older adults and allowing responses based on dietarian identity rather than dietary strictness. Nonetheless, female sex and living in Ontario or British Columbia was positively associated with pescetarianism. Male sex and living in the Prairies or the Atlantic was negatively associated.
In 2018 Ipsos Mori’s international survey found that living in Africa & the Middle East was associated with a relatively higher likelihood of adhering to a pescetarian diet (5%) when compared to other areas of the world. Peru and Turkey also had a substantially high amount of pescetarian respondents.
Motivations and rationale
Sustainability and environmental concerns
People may adopt a pescetarian diet out of desire to lower their dietary carbon footprint. A 2014 lifecycle analysis of greenhouse gas emissions estimated that a pescetarian diet would provide a 45% reduction in emissions compared to an omnivorous diet. Research on the diets of over 55,000 UK residents found that meat-eaters had dietary greenhouse gas emissions that were about 50% higher than pescetarians. Similarly, a Japanese study found that various diet changes could successfully reduce the Japanese food-nitrogen footprint, particularly by adopting a pescetarian diet which may reduce the impact on nitrogen.
A common reason for adoption of pescetarianism is perceived health, such as fish consumption increasing intake of omega-3 fatty acids which are associated with reduced risk of cerebrovascular disease. Fish and plant food consumption are parts of the Mediterranean diet which is associated with lowered risk of cardiovascular diseases. In one review, pescetarians had relatively low all-cause mortality among dietary groups.
Animal welfare concerns
Pescetarianism may be perceived as a more ethical choice because fish and other seafood may not feel pain and fear as more complex animals like mammals do, an ongoing debate. American surveys have found that health consciousness along with weight management remains the primary motive (39% prevalence) among non-meat eaters. The second most popular reason (29%) cited is concerns regarding agricultural animal welfare; this motivation is especially popular with younger vegetarians, vegans, and pescatarians.
Some pescetarians may regard their diet as a transition to vegetarianism, while others may consider it an ethical compromise, often as a practical necessity to obtain nutrients absent or not easily found in plants.
Abstinence in religion
In both the Roman Catholic and Eastern Orthodox tradition, pescetarianism is referred to as a form of abstinence. During fast periods, Eastern Orthodox and Catholics often abstain from meat, dairy, and fish, but on holidays that occur on fast days (for example, 15 August on a Wednesday or Friday), fish is allowed, while meat and dairy remain forbidden. Anthonian fasting has been considered a pescetarian-like variant of Orthodox fasting as poultry and red meat are restricted throughout the year but fish, eggs, oils, dairy and wine are allowed most days.
Pescetarianism (provided the fish is ruled kosher) conforms to Jewish dietary laws, as kosher fish is "pareve"—neither "milk" nor "meat". In essence, aquatic animals such as mammals like dolphins and whales are not kosher, nor are cartilaginous fish such as sharks and rays, since they all have dermal denticles and not bony-fish scales. A pescetarian diet also simplifies adherence to the Judaic separation of meat and dairy products. In 2015, members of the Liberal Judaism synagogue in Manchester founded The Pescetarian Society, citing pescetarianism as originally a Jewish diet, and pescetarianism as a form of vegetarianism.
Some Hindus by choice follow a strict lacto-vegetarian diet. However, there are Hindus who consume fish. They are from coastal south-western India. This community regards seafood in general as "vegetables from the sea", and refrains from eating land-based animals. Other Hindus who consume seafood are ones from Bengal and other coastal areas. In Bengal, Hindus consume fish and are known to cook it daily.
- Ikaria Study – Dietary study of long-lived Ikarian people found to have semi-vegetarian diets similar to pescetarianism.
- Legal Sea Foods – Boston, Massachusetts–based network of seafood restaurants that use the "pescatarian" term in their TV advertising
- List of diets
- List of pescetarians
- Macrobiotic diet
- Mediterranean diet
- Okinawa diet
- Semi-vegetarianism – other forms of semi-vegetarianism that include occasional seafood or meat consumption
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